hpcfb.c revision 1.61 1 /* $NetBSD: hpcfb.c,v 1.61 2021/04/24 23:36:54 thorpej Exp $ */
2
3 /*-
4 * Copyright (c) 1999
5 * Shin Takemura and PocketBSD Project. All rights reserved.
6 * Copyright (c) 2000,2001
7 * SATO Kazumi. All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed by the PocketBSD project
20 * and its contributors.
21 * 4. Neither the name of the project nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 *
37 */
38
39 /*
40 * jump scroll, scroll thread, multiscreen, virtual text vram
41 * and hpcfb_emulops functions
42 * written by SATO Kazumi.
43 */
44
45 #include <sys/cdefs.h>
46 __KERNEL_RCSID(0, "$NetBSD: hpcfb.c,v 1.61 2021/04/24 23:36:54 thorpej Exp $");
47
48 #ifdef _KERNEL_OPT
49 #include "opt_hpcfb.h"
50 #endif
51
52 #include <sys/param.h>
53 #include <sys/systm.h>
54 #include <sys/kernel.h>
55 #include <sys/signalvar.h>
56 #include <sys/proc.h>
57 #include <sys/kthread.h>
58 #include <sys/device.h>
59 #include <sys/conf.h>
60 #include <sys/malloc.h>
61 #include <sys/buf.h>
62 #include <sys/ioctl.h>
63
64 #include <sys/bus.h>
65
66 #include <dev/wscons/wsconsio.h>
67 #include <dev/wscons/wsdisplayvar.h>
68 #include <dev/wscons/wscons_callbacks.h>
69
70 #include <dev/wsfont/wsfont.h>
71 #include <dev/rasops/rasops.h>
72
73 #include <dev/hpc/hpcfbvar.h>
74 #include <dev/hpc/hpcfbio.h>
75
76 #include "bivideo.h"
77 #if NBIVIDEO > 0
78 #include <dev/hpc/bivideovar.h>
79 #endif
80
81 #ifdef FBDEBUG
82 int hpcfb_debug = 0;
83 #define DPRINTF(arg) if (hpcfb_debug) printf arg
84 #else
85 #define DPRINTF(arg) do {} while (/* CONSTCOND */ 0)
86 #endif
87
88 #ifndef HPCFB_MAX_COLUMN
89 #define HPCFB_MAX_COLUMN 130
90 #endif /* HPCFB_MAX_COLUMN */
91 #ifndef HPCFB_MAX_ROW
92 #define HPCFB_MAX_ROW 80
93 #endif /* HPCFB_MAX_ROW */
94
95 /*
96 * currently experimental
97 #define HPCFB_JUMP
98 */
99
100 struct hpcfb_vchar {
101 u_int c;
102 long attr;
103 };
104
105 struct hpcfb_tvrow {
106 int maxcol;
107 int spacecol;
108 struct hpcfb_vchar col[HPCFB_MAX_COLUMN];
109 };
110
111 struct hpcfb_devconfig {
112 struct rasops_info dc_rinfo; /* rasops information */
113
114 int dc_blanked; /* currently had video disabled */
115 struct hpcfb_softc *dc_sc;
116 int dc_rows;
117 int dc_cols;
118 struct hpcfb_tvrow *dc_tvram;
119 int dc_curx;
120 int dc_cury;
121 #ifdef HPCFB_JUMP
122 int dc_min_row;
123 int dc_max_row;
124 int dc_scroll;
125 struct callout dc_scroll_ch;
126 int dc_scroll_src;
127 int dc_scroll_dst;
128 int dc_scroll_num;
129 #endif /* HPCFB_JUMP */
130 volatile int dc_state;
131 #define HPCFB_DC_CURRENT 0x80000000
132 #define HPCFB_DC_DRAWING 0x01 /* drawing raster ops */
133 #define HPCFB_DC_TDRAWING 0x02 /* drawing tvram */
134 #define HPCFB_DC_SCROLLPENDING 0x04 /* scroll is pending */
135 #define HPCFB_DC_UPDATE 0x08 /* tvram update */
136 #define HPCFB_DC_SCRDELAY 0x10 /* scroll time but delay it */
137 #define HPCFB_DC_SCRTHREAD 0x20 /* in scroll thread or callout */
138 #define HPCFB_DC_UPDATEALL 0x40 /* need to redraw all */
139 #define HPCFB_DC_ABORT 0x80 /* abort redrawing */
140 #define HPCFB_DC_SWITCHREQ 0x100 /* switch request exist */
141 int dc_memsize;
142 u_char *dc_fbaddr;
143 };
144
145 #define IS_DRAWABLE(dc) \
146 (((dc)->dc_state&HPCFB_DC_CURRENT)&& \
147 (((dc)->dc_state&(HPCFB_DC_DRAWING|HPCFB_DC_SWITCHREQ)) == 0))
148
149 #define HPCFB_MAX_SCREEN 5
150 #define HPCFB_MAX_JUMP 5
151
152 struct hpcfb_softc {
153 device_t sc_dev;
154 struct hpcfb_devconfig *sc_dc; /* device configuration */
155 const struct hpcfb_accessops *sc_accessops;
156 void *sc_accessctx;
157 device_t sc_wsdisplay;
158 int sc_screen_resumed;
159 int sc_polling;
160 int sc_mapping;
161 struct proc *sc_thread;
162 void *sc_wantedscreen;
163 void (*sc_switchcb)(void *, int, int);
164 void *sc_switchcbarg;
165 struct callout sc_switch_callout;
166 int sc_nfbconf;
167 struct hpcfb_fbconf *sc_fbconflist;
168 };
169
170 /*
171 * function prototypes
172 */
173 int hpcfbmatch(device_t, cfdata_t, void *);
174 void hpcfbattach(device_t, device_t, void *);
175 int hpcfbprint(void *, const char *);
176
177 int hpcfb_ioctl(void *, void *, u_long, void *, int, struct lwp *);
178 paddr_t hpcfb_mmap(void *, void *, off_t, int);
179
180 void hpcfb_refresh_screen(struct hpcfb_softc *);
181 void hpcfb_doswitch(struct hpcfb_softc *);
182
183 #ifdef HPCFB_JUMP
184 static void hpcfb_thread(void *);
185 #endif /* HPCFB_JUMP */
186
187 static int hpcfb_init(struct hpcfb_fbconf *, struct hpcfb_devconfig *);
188 static int hpcfb_alloc_screen(void *, const struct wsscreen_descr *,
189 void **, int *, int *, long *);
190 static void hpcfb_free_screen(void *, void *);
191 static int hpcfb_show_screen(void *, void *, int,
192 void (*) (void *, int, int), void *);
193 static void hpcfb_pollc(void *, int);
194 static void hpcfb_cmap_reorder(struct hpcfb_fbconf *,
195 struct hpcfb_devconfig *);
196
197 static void hpcfb_power(int, void *);
198 static bool hpcfb_suspend(device_t, const pmf_qual_t *);
199 static bool hpcfb_resume(device_t, const pmf_qual_t *);
200
201
202 void hpcfb_cursor(void *, int, int, int);
203 int hpcfb_mapchar(void *, int, unsigned int *);
204 void hpcfb_putchar(void *, int, int, u_int, long);
205 void hpcfb_copycols(void *, int, int, int, int);
206 void hpcfb_erasecols(void *, int, int, int, long);
207 void hpcfb_redraw(void *, int, int, int);
208 void hpcfb_copyrows(void *, int, int, int);
209 void hpcfb_eraserows(void *, int, int, long);
210 int hpcfb_allocattr(void *, int, int, int, long *);
211 void hpcfb_cursor_raw(void *, int, int, int);
212
213 #ifdef HPCFB_JUMP
214 void hpcfb_update(void *);
215 void hpcfb_do_scroll(void *);
216 void hpcfb_check_update(void *);
217 #endif /* HPCFB_JUMP */
218
219 struct wsdisplay_emulops hpcfb_emulops = {
220 .cursor = hpcfb_cursor,
221 .mapchar = hpcfb_mapchar,
222 .putchar = hpcfb_putchar,
223 .copycols = hpcfb_copycols,
224 .erasecols = hpcfb_erasecols,
225 .copyrows = hpcfb_copyrows,
226 .eraserows = hpcfb_eraserows,
227 .allocattr = hpcfb_allocattr,
228 .replaceattr = NULL,
229 };
230
231 /*
232 * static variables
233 */
234 CFATTACH_DECL_NEW(hpcfb, sizeof(struct hpcfb_softc),
235 hpcfbmatch, hpcfbattach, NULL, NULL);
236
237 struct wsscreen_descr hpcfb_stdscreen = {
238 .name = "std",
239 .textops = &hpcfb_emulops, /* XXX */
240 .capabilities = WSSCREEN_REVERSE,
241 /* XXX: ncols/nrows will be filled in -- shouldn't, they are global */
242 };
243
244 const struct wsscreen_descr *_hpcfb_scrlist[] = {
245 &hpcfb_stdscreen,
246 /* XXX other formats, graphics screen? */
247 };
248
249 struct wsscreen_list hpcfb_screenlist = {
250 .nscreens = __arraycount(_hpcfb_scrlist),
251 .screens = _hpcfb_scrlist,
252 };
253
254 struct wsdisplay_accessops hpcfb_accessops = {
255 .ioctl = hpcfb_ioctl,
256 .mmap = hpcfb_mmap,
257 .alloc_screen = hpcfb_alloc_screen,
258 .free_screen = hpcfb_free_screen,
259 .show_screen = hpcfb_show_screen,
260 .load_font = NULL,
261 .pollc = hpcfb_pollc,
262 .scroll = NULL,
263 };
264
265 void hpcfb_tv_putchar(struct hpcfb_devconfig *, int, int, u_int, long);
266 void hpcfb_tv_copycols(struct hpcfb_devconfig *, int, int, int, int);
267 void hpcfb_tv_erasecols(struct hpcfb_devconfig *, int, int, int, long);
268 void hpcfb_tv_copyrows(struct hpcfb_devconfig *, int, int, int);
269 void hpcfb_tv_eraserows(struct hpcfb_devconfig *, int, int, long);
270
271 struct wsdisplay_emulops rasops_emul;
272
273 static int hpcfbconsole;
274 struct hpcfb_devconfig hpcfb_console_dc;
275 struct wsscreen_descr hpcfb_console_wsscreen;
276 struct hpcfb_tvrow hpcfb_console_tvram[HPCFB_MAX_ROW];
277
278 /*
279 * function bodies
280 */
281
282 int
283 hpcfbmatch(device_t parent, cfdata_t match, void *aux)
284 {
285 return (1);
286 }
287
288 void
289 hpcfbattach(device_t parent, device_t self, void *aux)
290 {
291 struct hpcfb_softc *sc;
292 struct hpcfb_attach_args *ha = aux;
293 struct wsemuldisplaydev_attach_args wa;
294
295 sc = device_private(self);
296 sc->sc_dev = self;
297
298 sc->sc_accessops = ha->ha_accessops;
299 sc->sc_accessctx = ha->ha_accessctx;
300 sc->sc_nfbconf = ha->ha_nfbconf;
301 sc->sc_fbconflist = ha->ha_fbconflist;
302
303 if (hpcfbconsole) {
304 sc->sc_dc = &hpcfb_console_dc;
305 sc->sc_dc->dc_rinfo.ri_flg &= ~RI_NO_AUTO;
306 hpcfb_console_dc.dc_sc = sc;
307 printf(": %dx%d pixels, %d colors, %dx%d chars",
308 sc->sc_dc->dc_rinfo.ri_width,sc->sc_dc->dc_rinfo.ri_height,
309 (1 << sc->sc_dc->dc_rinfo.ri_depth),
310 sc->sc_dc->dc_rinfo.ri_cols,sc->sc_dc->dc_rinfo.ri_rows);
311 /* Set video chip dependent CLUT if any. */
312 if (sc->sc_accessops->setclut)
313 sc->sc_accessops->setclut(sc->sc_accessctx,
314 &hpcfb_console_dc.dc_rinfo);
315 }
316 printf("\n");
317
318 sc->sc_polling = 0; /* XXX */
319 sc->sc_mapping = 0; /* XXX */
320 callout_init(&sc->sc_switch_callout, 0);
321
322 wa.console = hpcfbconsole;
323 wa.scrdata = &hpcfb_screenlist;
324 wa.accessops = &hpcfb_accessops;
325 wa.accesscookie = sc;
326
327 sc->sc_wsdisplay = config_found(self, &wa, wsemuldisplaydevprint,
328 CFARG_EOL);
329
330 #ifdef HPCFB_JUMP
331 /*
332 * Create a kernel thread to scroll,
333 */
334 if (kthread_create(PRI_NONE, 0, NULL, hpcfb_thread, sc,
335 &sc->sc_thread, "%s", device_xname(sc->sc_dev)) != 0) {
336 /*
337 * We were unable to create the HPCFB thread; bail out.
338 */
339 sc->sc_thread = 0;
340 aprint_error_dev(sc->sc_dev, "unable to create thread, kernel "
341 "hpcfb scroll support disabled\n");
342 }
343 #endif /* HPCFB_JUMP */
344
345 if (!pmf_device_register(self, hpcfb_suspend, hpcfb_resume))
346 aprint_error_dev(self, "unable to establish power handler\n");
347 }
348
349 #ifdef HPCFB_JUMP
350 void
351 hpcfb_thread(void *arg)
352 {
353 struct hpcfb_softc *sc = arg;
354
355 /*
356 * Loop forever, doing a periodic check for update events.
357 */
358 for (;;) {
359 /* HPCFB_LOCK(sc); */
360 sc->sc_dc->dc_state |= HPCFB_DC_SCRTHREAD;
361 if (!sc->sc_mapping) /* draw only EMUL mode */
362 hpcfb_update(sc->sc_dc);
363 sc->sc_dc->dc_state &= ~HPCFB_DC_SCRTHREAD;
364 /* APM_UNLOCK(sc); */
365 (void) tsleep(sc, PWAIT, "hpcfb", (8 * hz) / 7 / 10);
366 }
367 }
368 #endif /* HPCFB_JUMP */
369
370 /* Print function (for parent devices). */
371 int
372 hpcfbprint(void *aux, const char *pnp)
373 {
374 if (pnp)
375 aprint_normal("hpcfb at %s", pnp);
376
377 return (UNCONF);
378 }
379
380 int
381 hpcfb_cnattach(struct hpcfb_fbconf *fbconf)
382 {
383 #if NBIVIDEO > 0
384 struct hpcfb_fbconf __fbconf;
385 #endif
386 long defattr;
387
388 DPRINTF(("%s(%d): hpcfb_cnattach()\n", __FILE__, __LINE__));
389 #if NBIVIDEO > 0
390 if (fbconf == NULL) {
391 memset(&__fbconf, 0, sizeof(struct hpcfb_fbconf));
392 if (bivideo_getcnfb(&__fbconf) != 0)
393 return (ENXIO);
394 fbconf = &__fbconf;
395 }
396 #endif /* NBIVIDEO > 0 */
397 memset(&hpcfb_console_dc, 0, sizeof(struct hpcfb_devconfig));
398 if (hpcfb_init(fbconf, &hpcfb_console_dc) != 0)
399 return (ENXIO);
400 hpcfb_console_dc.dc_state |= HPCFB_DC_CURRENT;
401
402 hpcfb_console_dc.dc_tvram = hpcfb_console_tvram;
403 /* clear screen */
404 memset(hpcfb_console_tvram, 0, sizeof(hpcfb_console_tvram));
405 hpcfb_redraw(&hpcfb_console_dc, 0, hpcfb_console_dc.dc_rows, 1);
406
407 hpcfb_console_wsscreen = hpcfb_stdscreen;
408 hpcfb_console_wsscreen.nrows = hpcfb_console_dc.dc_rows;
409 hpcfb_console_wsscreen.ncols = hpcfb_console_dc.dc_cols;
410 hpcfb_console_wsscreen.capabilities = hpcfb_console_dc.dc_rinfo.ri_caps;
411 hpcfb_allocattr(&hpcfb_console_dc,
412 WSCOL_WHITE, WSCOL_BLACK, 0, &defattr);
413 wsdisplay_cnattach(&hpcfb_console_wsscreen, &hpcfb_console_dc,
414 0, 0, defattr);
415 hpcfbconsole = 1;
416
417 return (0);
418 }
419
420 int
421 hpcfb_init(struct hpcfb_fbconf *fbconf, struct hpcfb_devconfig *dc)
422 {
423 struct rasops_info *ri;
424 vaddr_t fbaddr;
425
426 fbaddr = (vaddr_t)fbconf->hf_baseaddr;
427 dc->dc_fbaddr = (u_char *)fbaddr;
428
429 /* init rasops */
430 ri = &dc->dc_rinfo;
431 memset(ri, 0, sizeof(struct rasops_info));
432 ri->ri_depth = fbconf->hf_pixel_width;
433 ri->ri_bits = (void *)fbaddr;
434 ri->ri_width = fbconf->hf_width;
435 ri->ri_height = fbconf->hf_height;
436 ri->ri_stride = fbconf->hf_bytes_per_line;
437 #if 0
438 ri->ri_flg = RI_FORCEMONO | RI_CURSOR;
439 #else
440 ri->ri_flg = RI_CURSOR;
441 #endif
442 if (dc == &hpcfb_console_dc)
443 ri->ri_flg |= RI_NO_AUTO;
444
445 switch (ri->ri_depth) {
446 case 8:
447 if (32 <= fbconf->hf_pack_width &&
448 (fbconf->hf_order_flags & HPCFB_REVORDER_BYTE) &&
449 (fbconf->hf_order_flags & HPCFB_REVORDER_WORD)) {
450 ri->ri_flg |= RI_BSWAP;
451 }
452 break;
453 default:
454 if (fbconf->hf_order_flags & HPCFB_REVORDER_BYTE) {
455 #if BYTE_ORDER == BIG_ENDIAN
456 ri->ri_flg |= RI_BSWAP;
457 #endif
458 } else {
459 #if BYTE_ORDER == LITTLE_ENDIAN
460 ri->ri_flg |= RI_BSWAP;
461 #endif
462 }
463 break;
464 }
465
466 if (fbconf->hf_class == HPCFB_CLASS_RGBCOLOR) {
467 ri->ri_rnum = fbconf->hf_u.hf_rgb.hf_red_width;
468 ri->ri_rpos = fbconf->hf_u.hf_rgb.hf_red_shift;
469 ri->ri_gnum = fbconf->hf_u.hf_rgb.hf_green_width;
470 ri->ri_gpos = fbconf->hf_u.hf_rgb.hf_green_shift;
471 ri->ri_bnum = fbconf->hf_u.hf_rgb.hf_blue_width;
472 ri->ri_bpos = fbconf->hf_u.hf_rgb.hf_blue_shift;
473 }
474
475 if (rasops_init(ri, HPCFB_MAX_ROW, HPCFB_MAX_COLUMN)) {
476 aprint_error_dev(dc->dc_sc->sc_dev, "rasops_init() failed!");
477 return -1;
478 }
479
480 /* over write color map of rasops */
481 hpcfb_cmap_reorder (fbconf, dc);
482
483 dc->dc_curx = -1;
484 dc->dc_cury = -1;
485 dc->dc_rows = dc->dc_rinfo.ri_rows;
486 dc->dc_cols = dc->dc_rinfo.ri_cols;
487 #ifdef HPCFB_JUMP
488 dc->dc_max_row = 0;
489 dc->dc_min_row = dc->dc_rows;
490 dc->dc_scroll = 0;
491 callout_init(&dc->dc_scroll_ch, 0);
492 #endif /* HPCFB_JUMP */
493 dc->dc_memsize = ri->ri_stride * ri->ri_height;
494 /* hook rasops in hpcfb_ops */
495 rasops_emul = ri->ri_ops; /* struct copy */
496 ri->ri_ops = hpcfb_emulops; /* struct copy */
497
498 return (0);
499 }
500
501 static void
502 hpcfb_cmap_reorder(struct hpcfb_fbconf *fbconf, struct hpcfb_devconfig *dc)
503 {
504 struct rasops_info *ri = &dc->dc_rinfo;
505 int reverse = fbconf->hf_access_flags & HPCFB_ACCESS_REVERSE;
506 int *cmap = ri->ri_devcmap;
507 int i, j, bg, fg, tmp;
508
509 /*
510 * Set forground and background so that the screen
511 * looks black on white.
512 * Normally, black = 00 and white = ff.
513 * HPCFB_ACCESS_REVERSE means black = ff and white = 00.
514 */
515 switch (fbconf->hf_pixel_width) {
516 case 1:
517 /* FALLTHROUGH */
518 case 2:
519 /* FALLTHROUGH */
520 case 4:
521 if (reverse) {
522 bg = 0;
523 fg = ~0;
524 } else {
525 bg = ~0;
526 fg = 0;
527 }
528 /* for gray-scale LCD, hi-contrast color map */
529 cmap[0] = bg;
530 for (i = 1; i < 16; i++)
531 cmap[i] = fg;
532 break;
533 case 8:
534 /* FALLTHROUGH */
535 case 16:
536 if (reverse) {
537 for (i = 0, j = 15; i < 8; i++, j--) {
538 tmp = cmap[i];
539 cmap[i] = cmap[j];
540 cmap[j] = tmp;
541 }
542 }
543 break;
544 }
545 }
546
547 int
548 hpcfb_ioctl(void *v, void *vs, u_long cmd, void *data, int flag,
549 struct lwp *l)
550 {
551 struct hpcfb_softc *sc = v;
552 struct hpcfb_devconfig *dc = sc->sc_dc;
553 struct wsdisplay_fbinfo *wdf;
554
555 DPRINTF(("hpcfb_ioctl(cmd=0x%lx)\n", cmd));
556 switch (cmd) {
557 case WSKBDIO_BELL:
558 return (0);
559 break;
560
561 case WSDISPLAYIO_GTYPE:
562 *(u_int *)data = WSDISPLAY_TYPE_HPCFB;
563 return (0);
564
565 case WSDISPLAYIO_GINFO:
566 wdf = (void *)data;
567 wdf->height = dc->dc_rinfo.ri_height;
568 wdf->width = dc->dc_rinfo.ri_width;
569 wdf->depth = dc->dc_rinfo.ri_depth;
570 wdf->cmsize = 256; /* XXXX */
571 return (0);
572
573 case WSDISPLAYIO_LINEBYTES:
574 *(u_int *)data = dc->dc_rinfo.ri_stride;
575 return 0;
576
577 case WSDISPLAYIO_SMODE:
578 if (*(int *)data == WSDISPLAYIO_MODE_EMUL){
579 if (sc->sc_mapping){
580 sc->sc_mapping = 0;
581 if (dc->dc_state&HPCFB_DC_DRAWING)
582 dc->dc_state &= ~HPCFB_DC_ABORT;
583 #ifdef HPCFB_FORCE_REDRAW
584 hpcfb_refresh_screen(sc);
585 #else
586 dc->dc_state |= HPCFB_DC_UPDATEALL;
587 #endif
588 }
589 } else {
590 if (!sc->sc_mapping) {
591 sc->sc_mapping = 1;
592 dc->dc_state |= HPCFB_DC_ABORT;
593 }
594 sc->sc_mapping = 1;
595 }
596 if (sc && sc->sc_accessops->iodone)
597 (*sc->sc_accessops->iodone)(sc->sc_accessctx);
598 return (0);
599
600 case WSDISPLAYIO_GETCMAP:
601 case WSDISPLAYIO_PUTCMAP:
602 case WSDISPLAYIO_SVIDEO:
603 case WSDISPLAYIO_GVIDEO:
604 case WSDISPLAYIO_GETPARAM:
605 case WSDISPLAYIO_SETPARAM:
606 case HPCFBIO_GCONF:
607 case HPCFBIO_SCONF:
608 case HPCFBIO_GDSPCONF:
609 case HPCFBIO_SDSPCONF:
610 case HPCFBIO_GOP:
611 case HPCFBIO_SOP:
612 return ((*sc->sc_accessops->ioctl)(sc->sc_accessctx,
613 cmd, data, flag, l));
614
615 default:
616 if (IOCGROUP(cmd) != 't')
617 DPRINTF(("%s(%d): hpcfb_ioctl(%lx, %lx) grp=%c num=%ld\n",
618 __FILE__, __LINE__,
619 cmd, (u_long)data, (char)IOCGROUP(cmd), cmd&0xff));
620 break;
621 }
622
623 return (EPASSTHROUGH); /* Inappropriate ioctl for device */
624 }
625
626 paddr_t
627 hpcfb_mmap(void *v, void *vs, off_t offset, int prot)
628 {
629 struct hpcfb_softc *sc = v;
630
631 return ((*sc->sc_accessops->mmap)(sc->sc_accessctx, offset, prot));
632 }
633
634 static void
635 hpcfb_power(int why, void *arg)
636 {
637 struct hpcfb_softc *sc = arg;
638
639 if (sc->sc_dc == NULL)
640 return; /* You have no screen yet. */
641
642 switch (why) {
643 case PWR_STANDBY:
644 break;
645 case PWR_SOFTSUSPEND: {
646 struct wsdisplay_softc *wsc = device_private(sc->sc_wsdisplay);
647
648 sc->sc_screen_resumed = wsdisplay_getactivescreen(wsc);
649
650 if (wsdisplay_switch(sc->sc_wsdisplay,
651 WSDISPLAY_NULLSCREEN, 1 /* waitok */) == 0) {
652 wsscreen_switchwait(wsc, WSDISPLAY_NULLSCREEN);
653 } else {
654 sc->sc_screen_resumed = WSDISPLAY_NULLSCREEN;
655 }
656
657 sc->sc_dc->dc_state &= ~HPCFB_DC_CURRENT;
658 break;
659 }
660 case PWR_SOFTRESUME:
661 sc->sc_dc->dc_state |= HPCFB_DC_CURRENT;
662 if (sc->sc_screen_resumed != WSDISPLAY_NULLSCREEN)
663 wsdisplay_switch(sc->sc_wsdisplay,
664 sc->sc_screen_resumed, 1 /* waitok */);
665 break;
666 }
667 }
668
669 static bool
670 hpcfb_suspend(device_t self, const pmf_qual_t *qual)
671 {
672 struct hpcfb_softc *sc = device_private(self);
673
674 hpcfb_power(PWR_SOFTSUSPEND, sc);
675 return true;
676 }
677
678 static bool
679 hpcfb_resume(device_t self, const pmf_qual_t *qual)
680 {
681 struct hpcfb_softc *sc = device_private(self);
682
683 hpcfb_power(PWR_SOFTRESUME, sc);
684 return true;
685 }
686
687 void
688 hpcfb_refresh_screen(struct hpcfb_softc *sc)
689 {
690 struct hpcfb_devconfig *dc = sc->sc_dc;
691 int x, y;
692
693 DPRINTF(("hpcfb_refres_screen()\n"));
694 if (dc == NULL)
695 return;
696
697 #ifdef HPCFB_JUMP
698 if (dc->dc_state&HPCFB_DC_SCROLLPENDING) {
699 dc->dc_state &= ~HPCFB_DC_SCROLLPENDING;
700 dc->dc_state &= ~HPCFB_DC_UPDATE;
701 callout_stop(&dc->dc_scroll_ch);
702 }
703 #endif /* HPCFB_JUMP */
704 /*
705 * refresh screen
706 */
707 dc->dc_state &= ~HPCFB_DC_UPDATEALL;
708 x = dc->dc_curx;
709 y = dc->dc_cury;
710 if (0 <= x && 0 <= y)
711 hpcfb_cursor_raw(dc, 0, y, x); /* disable cursor */
712 /* redraw all text */
713 hpcfb_redraw(dc, 0, dc->dc_rows, 1);
714 if (0 <= x && 0 <= y)
715 hpcfb_cursor_raw(dc, 1, y, x); /* enable cursor */
716 }
717
718 static int
719 hpcfb_alloc_screen(void *v, const struct wsscreen_descr *type,
720 void **cookiep, int *curxp, int *curyp, long *attrp)
721 {
722 struct hpcfb_softc *sc = v;
723 struct hpcfb_devconfig *dc;
724
725 DPRINTF(("%s(%d): hpcfb_alloc_screen()\n", __FILE__, __LINE__));
726
727 dc = malloc(sizeof(*dc), M_DEVBUF, M_WAITOK|M_ZERO);
728 if (dc == NULL)
729 return ENOMEM;
730
731 dc->dc_sc = sc;
732 if (hpcfb_init(&sc->sc_fbconflist[0], dc) != 0) {
733 free(dc, M_DEVBUF);
734 return EINVAL;
735 }
736 if (sc->sc_accessops->font) {
737 sc->sc_accessops->font(sc->sc_accessctx,
738 dc->dc_rinfo.ri_font);
739 }
740 /* Set video chip dependent CLUT if any. */
741 if (sc->sc_accessops->setclut)
742 sc->sc_accessops->setclut(sc->sc_accessctx, &dc->dc_rinfo);
743 printf("hpcfb: %dx%d pixels, %d colors, %dx%d chars\n",
744 dc->dc_rinfo.ri_width, dc->dc_rinfo.ri_height,
745 (1 << dc->dc_rinfo.ri_depth),
746 dc->dc_rinfo.ri_cols, dc->dc_rinfo.ri_rows);
747
748 /*
749 * XXX, wsdisplay won't reffer the information in wsscreen_descr
750 * structure until alloc_screen will be called, at least, under
751 * current implementation...
752 */
753 hpcfb_stdscreen.nrows = dc->dc_rows;
754 hpcfb_stdscreen.ncols = dc->dc_cols;
755 hpcfb_stdscreen.capabilities = dc->dc_rinfo.ri_caps;
756
757 dc->dc_fbaddr = dc->dc_rinfo.ri_bits;
758 dc->dc_rows = dc->dc_rinfo.ri_rows;
759 dc->dc_cols = dc->dc_rinfo.ri_cols;
760 dc->dc_memsize = dc->dc_rinfo.ri_stride * dc->dc_rinfo.ri_height;
761
762 dc->dc_curx = -1;
763 dc->dc_cury = -1;
764 dc->dc_tvram = malloc(sizeof(struct hpcfb_tvrow)*dc->dc_rows,
765 M_DEVBUF, M_WAITOK|M_ZERO);
766 if (dc->dc_tvram == NULL){
767 free(dc, M_DEVBUF);
768 return (ENOMEM);
769 }
770
771 *curxp = 0;
772 *curyp = 0;
773 *cookiep = dc;
774 hpcfb_allocattr(*cookiep, WSCOL_WHITE, WSCOL_BLACK, 0, attrp);
775 DPRINTF(("%s(%d): hpcfb_alloc_screen(): %p\n",
776 __FILE__, __LINE__, dc));
777
778 return (0);
779 }
780
781 static void
782 hpcfb_free_screen(void *v, void *cookie)
783 {
784 struct hpcfb_devconfig *dc = cookie;
785
786 DPRINTF(("%s(%d): hpcfb_free_screen(%p)\n",
787 __FILE__, __LINE__, cookie));
788 #ifdef DIAGNOSTIC
789 if (dc == &hpcfb_console_dc)
790 panic("hpcfb_free_screen: console");
791 #endif
792 free(dc->dc_tvram, M_DEVBUF);
793 free(dc, M_DEVBUF);
794 }
795
796 static int
797 hpcfb_show_screen(void *v, void *cookie, int waitok,
798 void (*cb)(void *, int, int), void *cbarg)
799 {
800 struct hpcfb_softc *sc = v;
801 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
802 struct hpcfb_devconfig *odc;
803
804 DPRINTF(("%s(%d): hpcfb_show_screen(%p)\n",
805 __FILE__, __LINE__, dc));
806
807 odc = sc->sc_dc;
808
809 if (dc == NULL || odc == dc) {
810 hpcfb_refresh_screen(sc);
811 return (0);
812 }
813
814 if (odc != NULL) {
815 odc->dc_state |= HPCFB_DC_SWITCHREQ;
816
817 if ((odc->dc_state&HPCFB_DC_DRAWING) != 0) {
818 odc->dc_state |= HPCFB_DC_ABORT;
819 }
820 }
821
822 sc->sc_wantedscreen = cookie;
823 sc->sc_switchcb = cb;
824 sc->sc_switchcbarg = cbarg;
825 if (cb) {
826 callout_reset(&sc->sc_switch_callout, 0,
827 (void(*)(void *))hpcfb_doswitch, sc);
828 return (EAGAIN);
829 }
830
831 hpcfb_doswitch(sc);
832 return (0);
833 }
834
835 void
836 hpcfb_doswitch(struct hpcfb_softc *sc)
837 {
838 struct hpcfb_devconfig *dc;
839 struct hpcfb_devconfig *odc;
840
841 DPRINTF(("hpcfb_doswitch()\n"));
842 odc = sc->sc_dc;
843 dc = sc->sc_wantedscreen;
844
845 if (!dc) {
846 (*sc->sc_switchcb)(sc->sc_switchcbarg, EIO, 0);
847 odc->dc_state &= ~HPCFB_DC_SWITCHREQ;
848 return;
849 }
850
851 if (odc == dc) {
852 odc->dc_state &= ~HPCFB_DC_SWITCHREQ;
853 return;
854 }
855
856 if (odc) {
857 #ifdef HPCFB_JUMP
858 odc->dc_state |= HPCFB_DC_ABORT;
859 #endif /* HPCFB_JUMP */
860
861 if (odc->dc_curx >= 0 && odc->dc_cury >= 0)
862 hpcfb_cursor_raw(odc, 0, odc->dc_cury, odc->dc_curx);
863 /* disable cursor */
864 /* disable old screen */
865 odc->dc_state &= ~HPCFB_DC_CURRENT;
866 /* XXX, This is too dangerous.
867 odc->dc_rinfo.ri_bits = NULL;
868 */
869 }
870 /* switch screen to new one */
871 dc->dc_state |= HPCFB_DC_CURRENT;
872 dc->dc_state &= ~HPCFB_DC_ABORT;
873 dc->dc_rinfo.ri_bits = dc->dc_fbaddr;
874 sc->sc_dc = dc;
875
876 /* redraw screen image */
877 hpcfb_refresh_screen(sc);
878
879 sc->sc_wantedscreen = NULL;
880 if (sc->sc_switchcb)
881 (*sc->sc_switchcb)(sc->sc_switchcbarg, 0, 0);
882
883 if (odc != NULL)
884 odc->dc_state &= ~HPCFB_DC_SWITCHREQ;
885 dc->dc_state &= ~HPCFB_DC_SWITCHREQ;
886 return;
887 }
888
889 static void
890 hpcfb_pollc(void *v, int on)
891 {
892 struct hpcfb_softc *sc = v;
893
894 if (sc == NULL)
895 return;
896 sc->sc_polling = on;
897 if (sc->sc_accessops->iodone)
898 (*sc->sc_accessops->iodone)(sc->sc_accessctx);
899 if (on) {
900 hpcfb_refresh_screen(sc);
901 if (sc->sc_accessops->iodone)
902 (*sc->sc_accessops->iodone)(sc->sc_accessctx);
903 }
904
905 return;
906 }
907
908 /*
909 * cursor
910 */
911 void
912 hpcfb_cursor(void *cookie, int on, int row, int col)
913 {
914 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
915
916 if (on) {
917 dc->dc_curx = col;
918 dc->dc_cury = row;
919 } else {
920 dc->dc_curx = -1;
921 dc->dc_cury = -1;
922 }
923
924 hpcfb_cursor_raw(cookie, on, row, col);
925 }
926
927 void
928 hpcfb_cursor_raw(void *cookie, int on, int row, int col)
929 {
930 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
931 struct hpcfb_softc *sc = dc->dc_sc;
932 struct rasops_info *ri = &dc->dc_rinfo;
933 int curwidth, curheight;
934 int xoff, yoff;
935
936 #ifdef HPCFB_JUMP
937 if (dc->dc_state&HPCFB_DC_SCROLLPENDING) {
938 dc->dc_state |= HPCFB_DC_UPDATE;
939 return;
940 }
941 #endif /* HPCFB_JUMP */
942 if (!IS_DRAWABLE(dc)) {
943 return;
944 }
945
946 if (ri->ri_bits == NULL)
947 return;
948
949 dc->dc_state |= HPCFB_DC_DRAWING;
950 if (sc && sc->sc_accessops->cursor) {
951 xoff = col * ri->ri_font->fontwidth;
952 yoff = row * ri->ri_font->fontheight;
953 curheight = ri->ri_font->fontheight;
954 curwidth = ri->ri_font->fontwidth;
955 (*sc->sc_accessops->cursor)(sc->sc_accessctx,
956 on, xoff, yoff, curwidth, curheight);
957 } else
958 rasops_emul.cursor(ri, on, row, col);
959 dc->dc_state &= ~HPCFB_DC_DRAWING;
960 }
961
962 /*
963 * mapchar
964 */
965 int
966 hpcfb_mapchar(void *cookie, int c, unsigned int *cp)
967 {
968 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
969 struct rasops_info *ri = &dc->dc_rinfo;
970
971 return (rasops_emul.mapchar(ri, c, cp));
972 }
973
974 /*
975 * putchar
976 */
977 void
978 hpcfb_tv_putchar(struct hpcfb_devconfig *dc, int row, int col, u_int uc,
979 long attr)
980 {
981 struct hpcfb_tvrow *vscn = dc->dc_tvram;
982 struct hpcfb_vchar *vc = &vscn[row].col[col];
983 struct hpcfb_vchar *vcb;
984
985 if (vscn == 0)
986 return;
987
988 dc->dc_state |= HPCFB_DC_TDRAWING;
989 #ifdef HPCFB_JUMP
990 if (row < dc->dc_min_row)
991 dc->dc_min_row = row;
992 if (row > dc->dc_max_row)
993 dc->dc_max_row = row;
994
995 #endif /* HPCFB_JUMP */
996 if (vscn[row].maxcol +1 == col)
997 vscn[row].maxcol = col;
998 else if (vscn[row].maxcol < col) {
999 vcb = &vscn[row].col[vscn[row].maxcol+1];
1000 memset(vcb, 0,
1001 sizeof(struct hpcfb_vchar)*(col-vscn[row].maxcol-1));
1002 vscn[row].maxcol = col;
1003 }
1004 vc->c = uc;
1005 vc->attr = attr;
1006 dc->dc_state &= ~HPCFB_DC_TDRAWING;
1007 #ifdef HPCFB_JUMP
1008 hpcfb_check_update(dc);
1009 #endif /* HPCFB_JUMP */
1010 }
1011
1012 void
1013 hpcfb_putchar(void *cookie, int row, int col, u_int uc, long attr)
1014 {
1015 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
1016 struct hpcfb_softc *sc = dc->dc_sc;
1017 struct rasops_info *ri = &dc->dc_rinfo;
1018 int xoff;
1019 int yoff;
1020 int fclr, uclr;
1021 struct wsdisplay_font *font;
1022
1023 hpcfb_tv_putchar(dc, row, col, uc, attr);
1024 #ifdef HPCFB_JUMP
1025 if (dc->dc_state&HPCFB_DC_SCROLLPENDING) {
1026 dc->dc_state |= HPCFB_DC_UPDATE;
1027 return;
1028 }
1029 #endif /* HPCFB_JUMP */
1030
1031 if (!IS_DRAWABLE(dc)) {
1032 return;
1033 }
1034
1035 if (ri->ri_bits == NULL)
1036 return;
1037
1038 dc->dc_state |= HPCFB_DC_DRAWING;
1039 if (sc && sc->sc_accessops->putchar
1040 && (dc->dc_state&HPCFB_DC_CURRENT)) {
1041 font = ri->ri_font;
1042 yoff = row * ri->ri_font->fontheight;
1043 xoff = col * ri->ri_font->fontwidth;
1044 fclr = ri->ri_devcmap[((u_int)attr >> 24) & 15];
1045 uclr = ri->ri_devcmap[((u_int)attr >> 16) & 15];
1046
1047 (*sc->sc_accessops->putchar)(sc->sc_accessctx,
1048 xoff, yoff, font, fclr, uclr, uc, attr);
1049 } else
1050 rasops_emul.putchar(ri, row, col, uc, attr);
1051 dc->dc_state &= ~HPCFB_DC_DRAWING;
1052 #ifdef HPCFB_JUMP
1053 hpcfb_check_update(dc);
1054 #endif /* HPCFB_JUMP */
1055 }
1056
1057 /*
1058 * copycols
1059 */
1060 void
1061 hpcfb_tv_copycols(struct hpcfb_devconfig *dc, int row, int srccol, int dstcol,
1062 int ncols)
1063 {
1064 struct hpcfb_tvrow *vscn = dc->dc_tvram;
1065 struct hpcfb_vchar *svc = &vscn[row].col[srccol];
1066 struct hpcfb_vchar *dvc = &vscn[row].col[dstcol];
1067
1068 if (vscn == 0)
1069 return;
1070
1071 dc->dc_state |= HPCFB_DC_TDRAWING;
1072 #ifdef HPCFB_JUMP
1073 if (row < dc->dc_min_row)
1074 dc->dc_min_row = row;
1075 if (row > dc->dc_max_row)
1076 dc->dc_max_row = row;
1077 #endif /* HPCFB_JUMP */
1078
1079 memcpy(dvc, svc, ncols*sizeof(struct hpcfb_vchar));
1080 if (vscn[row].maxcol < srccol+ncols-1)
1081 vscn[row].maxcol = srccol+ncols-1;
1082 if (vscn[row].maxcol < dstcol+ncols-1)
1083 vscn[row].maxcol = dstcol+ncols-1;
1084 dc->dc_state &= ~HPCFB_DC_TDRAWING;
1085 #ifdef HPCFB_JUMP
1086 hpcfb_check_update(dc);
1087 #endif /* HPCFB_JUMP */
1088 }
1089
1090 void
1091 hpcfb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols)
1092 {
1093 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
1094 struct hpcfb_softc *sc = dc->dc_sc;
1095 struct rasops_info *ri = &dc->dc_rinfo;
1096 int srcxoff,dstxoff;
1097 int srcyoff,dstyoff;
1098 int height, width;
1099
1100 hpcfb_tv_copycols(dc, row, srccol, dstcol, ncols);
1101 #ifdef HPCFB_JUMP
1102 if (dc->dc_state&HPCFB_DC_SCROLLPENDING) {
1103 dc->dc_state |= HPCFB_DC_UPDATE;
1104 return;
1105 }
1106 #endif /* HPCFB_JUMP */
1107 if (!IS_DRAWABLE(dc)) {
1108 return;
1109 }
1110
1111 if (ri->ri_bits == NULL)
1112 return;
1113
1114 dc->dc_state |= HPCFB_DC_DRAWING;
1115 if (sc && sc->sc_accessops->bitblit
1116 && (dc->dc_state&HPCFB_DC_CURRENT)) {
1117 srcxoff = srccol * ri->ri_font->fontwidth;
1118 srcyoff = row * ri->ri_font->fontheight;
1119 dstxoff = dstcol * ri->ri_font->fontwidth;
1120 dstyoff = row * ri->ri_font->fontheight;
1121 width = ncols * ri->ri_font->fontwidth;
1122 height = ri->ri_font->fontheight;
1123 (*sc->sc_accessops->bitblit)(sc->sc_accessctx,
1124 srcxoff, srcyoff, dstxoff, dstyoff, height, width);
1125 } else
1126 rasops_emul.copycols(ri, row, srccol, dstcol, ncols);
1127 dc->dc_state &= ~HPCFB_DC_DRAWING;
1128 #ifdef HPCFB_JUMP
1129 hpcfb_check_update(dc);
1130 #endif /* HPCFB_JUMP */
1131 }
1132
1133
1134 /*
1135 * erasecols
1136 */
1137 void
1138 hpcfb_tv_erasecols(struct hpcfb_devconfig *dc,
1139 int row, int startcol, int ncols, long attr)
1140 {
1141 struct hpcfb_tvrow *vscn = dc->dc_tvram;
1142
1143 if (vscn == 0)
1144 return;
1145
1146 dc->dc_state |= HPCFB_DC_TDRAWING;
1147 #ifdef HPCFB_JUMP
1148 if (row < dc->dc_min_row)
1149 dc->dc_min_row = row;
1150 if (row > dc->dc_max_row)
1151 dc->dc_max_row = row;
1152 #endif /* HPCFB_JUMP */
1153
1154 vscn[row].maxcol = startcol-1;
1155 if (vscn[row].spacecol < startcol+ncols-1)
1156 vscn[row].spacecol = startcol+ncols-1;
1157 dc->dc_state &= ~HPCFB_DC_TDRAWING;
1158 #ifdef HPCFB_JUMP
1159 hpcfb_check_update(dc);
1160 #endif /* HPCFB_JUMP */
1161 }
1162
1163 void
1164 hpcfb_erasecols(void *cookie, int row, int startcol, int ncols, long attr)
1165 {
1166 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
1167 struct hpcfb_softc *sc = dc->dc_sc;
1168 struct rasops_info *ri = &dc->dc_rinfo;
1169 int xoff, yoff;
1170 int width, height;
1171
1172 hpcfb_tv_erasecols(dc, row, startcol, ncols, attr);
1173 #ifdef HPCFB_JUMP
1174 if (dc->dc_state&HPCFB_DC_SCROLLPENDING) {
1175 dc->dc_state |= HPCFB_DC_UPDATE;
1176 return;
1177 }
1178 #endif /* HPCFB_JUMP */
1179 if (!IS_DRAWABLE(dc)) {
1180 return;
1181 }
1182
1183 if (ri->ri_bits == NULL)
1184 return;
1185
1186 dc->dc_state |= HPCFB_DC_DRAWING;
1187 if (sc && sc->sc_accessops->erase
1188 && (dc->dc_state&HPCFB_DC_CURRENT)) {
1189 xoff = startcol * ri->ri_font->fontwidth;
1190 yoff = row * ri->ri_font->fontheight;
1191 width = ncols * ri->ri_font->fontwidth;
1192 height = ri->ri_font->fontheight;
1193 (*sc->sc_accessops->erase)(sc->sc_accessctx,
1194 xoff, yoff, height, width, attr);
1195 } else
1196 rasops_emul.erasecols(ri, row, startcol, ncols, attr);
1197 dc->dc_state &= ~HPCFB_DC_DRAWING;
1198 #ifdef HPCFB_JUMP
1199 hpcfb_check_update(dc);
1200 #endif /* HPCFB_JUMP */
1201 }
1202
1203 /*
1204 * Copy rows.
1205 */
1206 void
1207 hpcfb_tv_copyrows(struct hpcfb_devconfig *dc, int src, int dst, int num)
1208 {
1209 struct hpcfb_tvrow *vscn = dc->dc_tvram;
1210 struct hpcfb_tvrow *svc = &vscn[src];
1211 struct hpcfb_tvrow *dvc = &vscn[dst];
1212 int i;
1213 int d;
1214
1215 if (vscn == 0)
1216 return;
1217
1218 dc->dc_state |= HPCFB_DC_TDRAWING;
1219 #ifdef HPCFB_JUMP
1220 if (dst < dc->dc_min_row)
1221 dc->dc_min_row = dst;
1222 if (dst + num > dc->dc_max_row)
1223 dc->dc_max_row = dst + num -1;
1224 #endif /* HPCFB_JUMP */
1225
1226 if (svc > dvc)
1227 d = 1;
1228 else if (svc < dvc) {
1229 svc += num-1;
1230 dvc += num-1;
1231 d = -1;
1232 } else {
1233 dc->dc_state &= ~HPCFB_DC_TDRAWING;
1234 #ifdef HPCFB_JUMP
1235 hpcfb_check_update(dc);
1236 #endif /* HPCFB_JUMP */
1237 return;
1238 }
1239
1240 for (i = 0; i < num; i++) {
1241 memcpy(&dvc->col[0], &svc->col[0], sizeof(struct hpcfb_vchar)*(svc->maxcol+1));
1242 if (svc->maxcol < dvc->maxcol && dvc->spacecol < dvc->maxcol)
1243 dvc->spacecol = dvc->maxcol;
1244 dvc->maxcol = svc->maxcol;
1245 svc+=d;
1246 dvc+=d;
1247 }
1248 dc->dc_state &= ~HPCFB_DC_TDRAWING;
1249 #ifdef HPCFB_JUMP
1250 hpcfb_check_update(dc);
1251 #endif /* HPCFB_JUMP */
1252 }
1253
1254 void
1255 hpcfb_redraw(void *cookie, int row, int num, int all)
1256 {
1257 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
1258 struct rasops_info *ri = &dc->dc_rinfo;
1259 int cols;
1260 struct hpcfb_tvrow *vscn = dc->dc_tvram;
1261 struct hpcfb_vchar *svc;
1262 int i, j;
1263
1264 #ifdef HPCFB_JUMP
1265 if (dc->dc_state&HPCFB_DC_SCROLLPENDING) {
1266 dc->dc_state |= HPCFB_DC_UPDATE;
1267 return;
1268 }
1269 #endif /* HPCFB_JUMP */
1270 if (dc->dc_sc != NULL
1271 && !dc->dc_sc->sc_polling
1272 && dc->dc_sc->sc_mapping)
1273 return;
1274
1275 dc->dc_state &= ~HPCFB_DC_ABORT;
1276
1277 if (vscn == 0)
1278 return;
1279
1280 if (!IS_DRAWABLE(dc)) {
1281 return;
1282 }
1283
1284 if (ri->ri_bits == NULL)
1285 return;
1286
1287 dc->dc_state |= HPCFB_DC_DRAWING;
1288 dc->dc_state |= HPCFB_DC_TDRAWING;
1289 for (i = 0; i < num; i++) {
1290 if (dc->dc_state&HPCFB_DC_ABORT)
1291 break;
1292 if ((dc->dc_state&HPCFB_DC_CURRENT) == 0)
1293 break;
1294 cols = vscn[row+i].maxcol;
1295 for (j = 0; j <= cols; j++) {
1296 if (dc->dc_state&HPCFB_DC_ABORT)
1297 continue;
1298 if ((dc->dc_state&HPCFB_DC_CURRENT) == 0)
1299 continue;
1300 svc = &vscn[row+i].col[j];
1301 rasops_emul.putchar(ri, row + i, j, svc->c, svc->attr);
1302 }
1303 if (all)
1304 cols = dc->dc_cols-1;
1305 else
1306 cols = vscn[row+i].spacecol;
1307 for (; j <= cols; j++) {
1308 if (dc->dc_state&HPCFB_DC_ABORT)
1309 continue;
1310 if ((dc->dc_state&HPCFB_DC_CURRENT) == 0)
1311 continue;
1312 rasops_emul.putchar(ri, row + i, j, ' ', 0);
1313 }
1314 vscn[row+i].spacecol = 0;
1315 }
1316 if (dc->dc_state&HPCFB_DC_ABORT)
1317 dc->dc_state &= ~HPCFB_DC_ABORT;
1318 dc->dc_state &= ~HPCFB_DC_DRAWING;
1319 dc->dc_state &= ~HPCFB_DC_TDRAWING;
1320 #ifdef HPCFB_JUMP
1321 hpcfb_check_update(dc);
1322 #endif /* HPCFB_JUMP */
1323 }
1324
1325 #ifdef HPCFB_JUMP
1326 void
1327 hpcfb_update(void *v)
1328 {
1329 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)v;
1330
1331 /* callout_stop(&dc->dc_scroll_ch); */
1332 dc->dc_state &= ~HPCFB_DC_SCROLLPENDING;
1333 if (dc->dc_curx > 0 && dc->dc_cury > 0)
1334 hpcfb_cursor_raw(dc, 0, dc->dc_cury, dc->dc_curx);
1335 if ((dc->dc_state&HPCFB_DC_UPDATEALL)) {
1336 hpcfb_redraw(dc, 0, dc->dc_rows, 1);
1337 dc->dc_state &= ~(HPCFB_DC_UPDATE|HPCFB_DC_UPDATEALL);
1338 } else if ((dc->dc_state&HPCFB_DC_UPDATE)) {
1339 hpcfb_redraw(dc, dc->dc_min_row,
1340 dc->dc_max_row - dc->dc_min_row, 0);
1341 dc->dc_state &= ~HPCFB_DC_UPDATE;
1342 } else {
1343 hpcfb_redraw(dc, dc->dc_scroll_dst, dc->dc_scroll_num, 0);
1344 }
1345 if (dc->dc_curx > 0 && dc->dc_cury > 0)
1346 hpcfb_cursor_raw(dc, 1, dc->dc_cury, dc->dc_curx);
1347 }
1348
1349 void
1350 hpcfb_do_scroll(void *v)
1351 {
1352 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)v;
1353
1354 dc->dc_state |= HPCFB_DC_SCRTHREAD;
1355 if (dc->dc_state&(HPCFB_DC_DRAWING|HPCFB_DC_TDRAWING))
1356 dc->dc_state |= HPCFB_DC_SCRDELAY;
1357 else if (dc->dc_sc != NULL && dc->dc_sc->sc_thread)
1358 wakeup(dc->dc_sc);
1359 else if (dc->dc_sc != NULL && !dc->dc_sc->sc_mapping) {
1360 /* draw only EMUL mode */
1361 hpcfb_update(v);
1362 }
1363 dc->dc_state &= ~HPCFB_DC_SCRTHREAD;
1364 }
1365
1366 void
1367 hpcfb_check_update(void *v)
1368 {
1369 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)v;
1370
1371 if (dc->dc_sc != NULL
1372 && dc->dc_sc->sc_polling
1373 && (dc->dc_state&HPCFB_DC_SCROLLPENDING)){
1374 callout_stop(&dc->dc_scroll_ch);
1375 dc->dc_state &= ~HPCFB_DC_SCRDELAY;
1376 hpcfb_update(v);
1377 }
1378 else if (dc->dc_state&HPCFB_DC_SCRDELAY){
1379 dc->dc_state &= ~HPCFB_DC_SCRDELAY;
1380 hpcfb_update(v);
1381 } else if (dc->dc_state&HPCFB_DC_UPDATEALL){
1382 dc->dc_state &= ~HPCFB_DC_UPDATEALL;
1383 hpcfb_update(v);
1384 }
1385 }
1386 #endif /* HPCFB_JUMP */
1387
1388 void
1389 hpcfb_copyrows(void *cookie, int src, int dst, int num)
1390 {
1391 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
1392 struct rasops_info *ri = &dc->dc_rinfo;
1393 struct hpcfb_softc *sc = dc->dc_sc;
1394 int srcyoff, dstyoff;
1395 int width, height;
1396
1397 hpcfb_tv_copyrows(cookie, src, dst, num);
1398
1399 if (!IS_DRAWABLE(dc)) {
1400 return;
1401 }
1402
1403 if (ri->ri_bits == NULL)
1404 return;
1405
1406 if (sc && sc->sc_accessops->bitblit
1407 && (dc->dc_state&HPCFB_DC_CURRENT)) {
1408 dc->dc_state |= HPCFB_DC_DRAWING;
1409 srcyoff = src * ri->ri_font->fontheight;
1410 dstyoff = dst * ri->ri_font->fontheight;
1411 width = dc->dc_cols * ri->ri_font->fontwidth;
1412 height = num * ri->ri_font->fontheight;
1413 (*sc->sc_accessops->bitblit)(sc->sc_accessctx,
1414 0, srcyoff, 0, dstyoff, height, width);
1415 dc->dc_state &= ~HPCFB_DC_DRAWING;
1416 }
1417 else {
1418 #ifdef HPCFB_JUMP
1419 if (sc && sc->sc_polling) {
1420 hpcfb_check_update(dc);
1421 } else if ((dc->dc_state&HPCFB_DC_SCROLLPENDING) == 0) {
1422 dc->dc_state |= HPCFB_DC_SCROLLPENDING;
1423 dc->dc_scroll = 1;
1424 dc->dc_scroll_src = src;
1425 dc->dc_scroll_dst = dst;
1426 dc->dc_scroll_num = num;
1427 callout_reset(&dc->dc_scroll_ch, hz/100, &hpcfb_do_scroll, dc);
1428 return;
1429 } else if (dc->dc_scroll++ < dc->dc_rows/HPCFB_MAX_JUMP) {
1430 dc->dc_state |= HPCFB_DC_UPDATE;
1431 return;
1432 } else {
1433 dc->dc_state &= ~HPCFB_DC_SCROLLPENDING;
1434 callout_stop(&dc->dc_scroll_ch);
1435 }
1436 if (dc->dc_state&HPCFB_DC_UPDATE) {
1437 dc->dc_state &= ~HPCFB_DC_UPDATE;
1438 hpcfb_redraw(cookie, dc->dc_min_row,
1439 dc->dc_max_row - dc->dc_min_row, 0);
1440 dc->dc_max_row = 0;
1441 dc->dc_min_row = dc->dc_rows;
1442 if (dc->dc_curx > 0 && dc->dc_cury > 0)
1443 hpcfb_cursor(dc, 1, dc->dc_cury, dc->dc_curx);
1444 return;
1445 }
1446 #endif /* HPCFB_JUMP */
1447 hpcfb_redraw(cookie, dst, num, 0);
1448 }
1449 #ifdef HPCFB_JUMP
1450 hpcfb_check_update(dc);
1451 #endif /* HPCFB_JUMP */
1452 }
1453
1454 /*
1455 * eraserows
1456 */
1457 void
1458 hpcfb_tv_eraserows(struct hpcfb_devconfig *dc,
1459 int row, int nrow, long attr)
1460 {
1461 struct hpcfb_tvrow *vscn = dc->dc_tvram;
1462 int cols;
1463 int i;
1464
1465 if (vscn == 0)
1466 return;
1467
1468 dc->dc_state |= HPCFB_DC_TDRAWING;
1469 dc->dc_state &= ~HPCFB_DC_TDRAWING;
1470 #ifdef HPCFB_JUMP
1471 if (row < dc->dc_min_row)
1472 dc->dc_min_row = row;
1473 if (row + nrow > dc->dc_max_row)
1474 dc->dc_max_row = row + nrow;
1475 #endif /* HPCFB_JUMP */
1476
1477 for (i = 0; i < nrow; i++) {
1478 cols = vscn[row+i].maxcol;
1479 if (vscn[row+i].spacecol < cols)
1480 vscn[row+i].spacecol = cols;
1481 vscn[row+i].maxcol = -1;
1482 }
1483 #ifdef HPCFB_JUMP
1484 hpcfb_check_update(dc);
1485 #endif /* HPCFB_JUMP */
1486 }
1487
1488 void
1489 hpcfb_eraserows(void *cookie, int row, int nrow, long attr)
1490 {
1491 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
1492 struct hpcfb_softc *sc = dc->dc_sc;
1493 struct rasops_info *ri = &dc->dc_rinfo;
1494 int yoff;
1495 int width;
1496 int height;
1497
1498 hpcfb_tv_eraserows(dc, row, nrow, attr);
1499 #ifdef HPCFB_JUMP
1500 if (dc->dc_state&HPCFB_DC_SCROLLPENDING) {
1501 dc->dc_state |= HPCFB_DC_UPDATE;
1502 return;
1503 }
1504 #endif /* HPCFB_JUMP */
1505 if (!IS_DRAWABLE(dc)) {
1506 return;
1507 }
1508
1509 if (ri->ri_bits == NULL)
1510 return;
1511
1512 dc->dc_state |= HPCFB_DC_DRAWING;
1513 if (sc && sc->sc_accessops->erase
1514 && (dc->dc_state&HPCFB_DC_CURRENT)) {
1515 yoff = row * ri->ri_font->fontheight;
1516 width = dc->dc_cols * ri->ri_font->fontwidth;
1517 height = nrow * ri->ri_font->fontheight;
1518 (*sc->sc_accessops->erase)(sc->sc_accessctx,
1519 0, yoff, height, width, attr);
1520 } else
1521 rasops_emul.eraserows(ri, row, nrow, attr);
1522 dc->dc_state &= ~HPCFB_DC_DRAWING;
1523 #ifdef HPCFB_JUMP
1524 hpcfb_check_update(dc);
1525 #endif /* HPCFB_JUMP */
1526 }
1527
1528 /*
1529 * allocattr
1530 */
1531 int
1532 hpcfb_allocattr(void *cookie, int fg, int bg, int flags, long *attrp)
1533 {
1534 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
1535 struct rasops_info *ri = &dc->dc_rinfo;
1536
1537 return (rasops_emul.allocattr(ri, fg, bg, flags, attrp));
1538 }
1539